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103679 = 199521

103679 has 4 divisors (see below), whose sum is σ = 104400. Its totient is φ = 102960.

The previous prime is 103669. The next prime is 103681. The reversal of 103679 is 976301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 103679 - 28 = 103423 is a prime.

It is a Duffinian number.

It is the 29-th primeval number, because it sets a new record (349) in the number of distinct primes that is it possible to write using its digits.

It is a plaindrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 103679.

It is not an unprimeable number, because it can be changed into a prime (103619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62 + ... + 459.

It is an arithmetic number, because the mean of its divisors is an integer number (26100).

2103679 is an apocalyptic number.

103679 is a deficient number, since it is larger than the sum of its proper divisors (721).

103679 is an equidigital number, since it uses as much as digits as its factorization.

103679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 103679 is about 321.9922359312. The cubic root of 103679 is about 46.9782606570.

The spelling of 103679 in words is "one hundred three thousand, six hundred seventy-nine".

Divisors: 1 199 521 103679